Q: Is 13,221,100 a Composite Number?

Why is 13,221,100 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 13,221,100 can be evenly divided by 1 2 4 5 10 20 25 29 47 50 58 94 97 100 116 145 188 194 235 290 388 470 485 580 725 940 970 1,175 1,363 1,450 1,940 2,350 2,425 2,726 2,813 2,900 4,559 4,700 4,850 5,452 5,626 6,815 9,118 9,700 11,252 13,630 14,065 18,236 22,795 27,260 28,130 34,075 45,590 56,260 68,150 70,325 91,180 113,975 132,211 136,300 140,650 227,950 264,422 281,300 455,900 528,844 661,055 1,322,110 2,644,220 3,305,275 6,610,550 and 13,221,100, with no remainder.

Since 13,221,100 cannot be divided by just 1 and 13,221,100, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).